contenement vs implement

contenement

noun
  • That which is held together with another thing. 

  • That which is connected with a tenement, or thing holden, as a certain quantity of land adjacent to a dwelling, and necessary to the reputable enjoyment of the dwelling. 

implement

noun
  • A tool or instrument for working with. 

verb
  • To bring about; to put into practice; to carry out. 

How often have the words contenement and implement occurred in a corpus of books? (source: Google Ngram Viewer )